AirHint found the following cheapest return flights from Split (SPU) to Istanbul (IST) in August 2026 (see full year).

Return flights

19 Aug - 26 Aug	Croatia Airlines	direct
19 Aug - 28 Aug	Croatia Airlines	direct
16 Aug - 21 Aug	Croatia Airlines	direct
27 Aug - 30 Aug	Croatia Airlines	direct
17 Aug - 24 Aug	Air Serbia
17 Aug - 26 Aug	Croatia Airlines
17 Aug - 22 Aug	Croatia Airlines
27 Aug - 31 Aug	Croatia Airlines
27 Aug - 31 Aug	Croatia Airlines	direct

Also check the deals for one-way flights from Split to Istanbul in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Split to Istanbul in August from $195

Return flights